53044281 has 8 divisors (see below), whose sum is σ = 78584160. Its totient is φ = 35362836.

The previous prime is 53044259. The next prime is 53044307. The reversal of 53044281 is 18244035.

It is not a de Polignac number, because 53044281 - 2⁵ = 53044249 is a prime.

It is a super-2 number, since 2×53044281² = 5627391493613922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1964603 = 53044281 / (5 + 3 + 0 + 4 + 4 + 2 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (53046281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982275 + ... + 982328.

It is an arithmetic number, because the mean of its divisors is an integer number (9823020).

Almost surely, 2^53044281 is an apocalyptic number.

It is an amenable number.

53044281 is a deficient number, since it is larger than the sum of its proper divisors (25539879).

53044281 is a wasteful number, since it uses less digits than its factorization.

53044281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964612 (or 1964606 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 53044281 is about 7283.1504858818. The cubic root of 53044281 is about 375.7331576787.

The spelling of 53044281 in words is "fifty-three million, forty-four thousand, two hundred eighty-one".